With the ever-expanding of mobile technologies, maintaining software quality becomes a challenging job as a high volume of analyzes and high arrangements of features ought to be tested. Today, organizations are investing an expanding measure of energy and assets in guaranteeing the application is completely tried for the best client experience and ideal execution by the application. Automation in testing could be a great solution in this regard. Though there are mere tools for testing iOS applications, an open source mobile testing tool Appium is one of those. The purpose of this study is to discuss the detailed configuration of Appium for testing iOS applications and to address one of the major limitations of testing iOS applications using Appium, that is to test in multiple iOS devices using one Mac machine. This will support the iOS mobile industry to improve the quality of user experience by guiding the step by step set up of Appium for testing in commercial level and making it more cost effective.